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United States Patent | 5,329,959 |
Owen ,   et al. | July 19, 1994 |
A device for controlling the rotation of a valve and/or valve actuator, such device including a housing secured to said valve and actuator, hub member rotatably received by said housing, at least one stop member receiving device provided said housing, and at least one stop member engageable surface provided said hub.
Inventors: | Owen; Charles D. (Houston, TX); Rembert; Michael E. (Cypress, TX); Davis; Albert S. (Richmond, TX) |
Assignee: | Bettis Corporation (Waller, TX) |
Appl. No.: | 968364 |
Filed: | October 29, 1992 |
Current U.S. Class: | 137/315.17; 137/315.35; 251/92; 251/286; 251/288 |
Intern'l Class: | F16K 005/08; F16K 035/00; F16K 051/00 |
Field of Search: | 251/60,89,89.5,90,91,92,93,110,285,286,288 137/315 |
1931419 | Oct., 1933 | Thrush | 251/285. |
1943865 | Jan., 1934 | Hennessey | 251/285. |
2493966 | Jan., 1950 | Hartley | 251/285. |
4483513 | Nov., 1984 | Summers | 251/308. |
5116018 | May., 1992 | Friemoth et al. | 251/90. |
5139230 | Aug., 1992 | Lester | 251/285. |
Foreign Patent Documents | |||
0350596 | Jan., 1990 | EP | 251/285. |